<template>
	<view>
		<view class="goods-item">
			<!-- 列表左侧区域 -->
			<view class="goods-item-left">
				<radio :checked="goods.goods_state" color="#c00000" v-if="showRadio" @click="radioClickHandler"></radio>
				<image :src="goods.goods_small_logo||defaultPic" class="goods-pic"></image>
			</view>
			<!-- 列表右侧 -->
			<view class="goods-item-right">
				<view class="goods-name">{{goods.goods_name}}</view>
				<view class="goods-info-box">
					<view class="goods-price">￥{{goods.goods_price|tofixed}}</view>
					<uni-number-box :min="1" :value="goods.goods_count" v-if="showNum" @change="numChangeHandler"></uni-number-box>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		//props用来接收外界传递到当前组件的值
		props:{
			goods:{
				type:Object,
				default:{}
			},
			//封装名为showRadio的props属性，来控制radio的显示
			showRadio:{
				type:Boolean,
				default:false,
			},
			showNum:{
				type:Boolean,
				default:false,
			}
		},
		//数字过滤器，保留两位小数
		filters:{
			tofixed(num){
				return Number(num).toFixed(2)
			}
		},
		name:"my-goods",
		data() {
			return {
					defaultPic: "https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png"
			};
		},
		methods:{
			//radio组件的点击事件
			radioClickHandler(){
				//$emit()触发外界绑定的自定义事件radio-change,给它传值
				this.$emit('radio-change',{
					goods_id:this.goods.goods_id,
					goods_state:!this.goods.goods_state
				})
			},
			//监听numbox数字改变
			numChangeHandler(e){
				this.$emit('num-change',{
					goods_id:this.goods.goods_id,
					goods_count:e-0
				})
			}
		}
	}
</script>

<style lang="scss">
	.goods-item {
		padding: 10px 5px;
		border-bottom: 1px solid #f0f0f0;
		display: flex;

		.goods-item-left {
			margin-right: 8px;
			display: flex;
			align-items: center;
			justify-content: space-between;
			.goods-pic {
				width: 100px;
				height: 100px;
				display: block;
			}
		}

		.goods-item-right {
			//flex:1自动占满平均分配父容器
			flex: 1;
			display: flex;
			flex-direction: column;
			justify-content: space-between;

			.goods-name {
				font-size: 13px;
			}

			.goods-info-box {
				display: flex;
				justify-content: space-between;
				align-items: center;
				.goods-price {
					color: #c00000;
					font-size: 16px;
				}
			}
		}
	}
</style>
